Names of 139
| Nominal | 139 |
| Cardinal | one hundred thirty-nine |
| Ordinal | 139th |
| This number as US currency | one hundred thirty-nine dollars |
| Is 139 an odd number? | 139 is an odd number |
| Is 139 an even number? | 139 is NOT an even number |
| Is 139 a palindrome? | 139 is NOT a palindrome number |
| Is 139 a triangle number? | 139 is NOT a triangle number |
139 in other Bases
| Base 2 (Binary) | 100010112 |
| Base 3 (Ternary) | 120113 |
| Base 4 (Quaternary) | 20234 |
| Base 5 (Quinary) | 10245 |
| Base 6 (Senary) | 3516 |
| Base 8 (Octal) | 2138 |
| Base 12 (Duodecimal) | B712 |
| Base 16 (Hexadecimal) | 8B16 |
| Base 20 (Vigesimal) | 6J20 |
Primes and Factors tests for 139
| Is 139 a Prime Number? | 139 is a prime |
| Is 139 a perfect number? | 139 is NOT a perfect number |
| Is 139 a Mersenne Prime? | 139 is NOT a Mersenne prime |
| Is 139 a Fermat Prime? | 139 is NOT a Fermat prime |
| Is 139 a Fibonacci Prime? | 139 is NOT a Fibonacci prime |
| Is 139 a Partition Prime? | 139 is NOT a Partition prime |
| Is 139 a Pell Prime? | 139 is NOT a Pell prime |
| Prime Factors | Prime factors of 139 |
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139 in other Numerals
| 139 in Roman Numeral | CXXXIX |
| 139 in Chinese Numeral | 壹佰叄拾玖 |
| 139 in Egyptian Numeral | 𓍢𓎈𓐂 |
| 139 in Babylonian Numeral |   |
Roots and stuff for 139
| Is 139 a square number? | 139 is NOT a square number |
| Is 139 a cube number? | 139 is NOT a cube number |
| Square root of the number 139 | 11.789826122552 |
| Cube root of the number 139 | 5.1801014673803 |
Recreational math for 139
| Number 139 reversed | 931 |
| Sum of the digits | 13 |
| No of digits | 3 |